申请人:Takeda Chemical Industries, Ltd.
公开号:US04751316A1
公开(公告)日:1988-06-14
Novel 1,5-benzoxathiepin derivatives of the formula: ##STR1## [wherein R.sub.1 and R.sub.2 are independently hydrogen, halogen, hydroxy, lower alkyl or lower alkoxy; R.sub.3 and R.sub.4 are independently hydrogen, optionally substituted lower alkyl or optionally substituted cycloalkyl or optionally substituted aralkyl, or both jointly form an optionally substituted ring together with the adjacent nitrogen atom; X is hydrogen, optionally substituted lower alkyl, optionally substituted aryl or a carboxyl group which may be esterified or amidated; Y is >C.dbd.O or >CH--OR.sub.5 (wherein R.sub.5 is hydrogen, acyl or optionally substituted carbamoyl); m is an integer of 0 to 2; n is an integer of 1 to 6] and salts thereof exhibit serotonin S.sub.2 receptor blocking activity, calcium antagonism, actions to relieve cerebral vasospasm and to improve renal circulation and diuretic and antithrombotic activities, and are of value as a prophylactic and therapeutic agent for ischemic cardiopathies, thrombosis, hypertension and cerebral circulatory disorders.
式子为:##STR1## 的新型1,5-苯并噻吩衍生物,其中R.sub.1和R.sub.2独立地为氢、卤素、羟基、较低的烷基或较低的烷氧基;R.sub.3和R.sub.4独立地为氢、可选择的取代较低的烷基或可选择的取代环烷基或可选择的取代芳基烷基,或两者共同形成一个与相邻氮原子一起可选择取代的环;X为氢、可选择取代的较低烷基、可选择取代的芳基或可酯化或酰胺化的羧基;Y为>C.dbd.O或>CH--OR.sub.5(其中R.sub.5为氢、酰基或可选择取代的氨基甲酰基);m为0到2的整数;n为1到6的整数。其盐具有血清素S.sub.2受体阻滞活性、钙拮抗作用、缓解脑血管痉挛和改善肾脏循环和利尿和抗血栓活性,是一种预防和治疗缺血性心脏病、血栓形成、高血压和脑循环障碍的有价值的药物。